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2026-05-19 - 22:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Tue May 19, 2026 12:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25610212867,7sleep30-21swapper/307:08:563
256282120111,6sleep10-21swapper/107:09:101
254482116102,7sleep00-21swapper/007:06:530
254352114105,6sleep20-21swapper/207:06:432
293652960,1sleep029359-21munin-run07:40:000
156972790,1sleep20-21swapper/211:15:192
261202630,0sleep30-21swapper/307:35:173
24312580,0sleep3391ktimersoftd/310:35:193
13432570,0sleep00-21swapper/008:10:190
226562560,0sleep022661-21irqrtprio12:20:170
206962550,0sleep00-21swapper/011:50:130
243352540,0sleep30-21swapper/310:25:183
2586499300,3cyclictest0-21swapper/108:25:141
2586799281,26cyclictest0-21swapper/211:00:032
2586799280,27cyclictest0-21swapper/210:30:232
2586799280,27cyclictest0-21swapper/209:33:202
2586799280,27cyclictest0-21swapper/207:31:232
2586799280,27cyclictest0-21swapper/207:14:202
2586499280,27cyclictest0-21swapper/109:07:281
2586799270,26cyclictest0-21swapper/211:29:212
2586799270,26cyclictest0-21swapper/211:07:042
2586799270,26cyclictest0-21swapper/209:36:232
2586799270,26cyclictest0-21swapper/208:39:372
2586799270,26cyclictest0-21swapper/208:19:182
2586799270,26cyclictest0-21swapper/207:51:032
2586799270,26cyclictest0-21swapper/207:48:262
25867992623,2cyclictest0-21swapper/210:40:042
25867992623,2cyclictest0-21swapper/209:58:472
25867992622,3cyclictest0-21swapper/207:19:082
25867992618,7cyclictest0-21swapper/209:44:412
2586799260,25cyclictest0-21swapper/211:43:452
2586799260,25cyclictest0-21swapper/210:51:222
2586799260,25cyclictest0-21swapper/209:17:522
2586799260,25cyclictest0-21swapper/208:02:572
25864992623,3cyclictest0-21swapper/110:58:241
2586499260,25cyclictest0-21swapper/112:25:021
2586499260,25cyclictest0-21swapper/110:37:591
25867992522,2cyclictest0-21swapper/210:56:122
25867992522,2cyclictest0-21swapper/207:40:412
25867992521,3cyclictest0-21swapper/208:42:432
25867992518,7cyclictest0-21swapper/211:46:562
25867992517,7cyclictest0-21swapper/210:17:412
2586799250,24cyclictest0-21swapper/212:21:492
2586799250,24cyclictest0-21swapper/211:32:582
2586799241,22cyclictest0-21swapper/211:52:462
25864992421,3cyclictest0-21swapper/111:20:301
25864992421,3cyclictest0-21swapper/109:16:421
25864992420,3cyclictest0-21swapper/110:00:111
2585699240,18cyclictest0-21swapper/007:45:120
25867992320,3cyclictest0-21swapper/208:11:572
25867992319,3cyclictest0-21swapper/208:05:362
2586799231,21cyclictest0-21swapper/212:13:592
2586799231,21cyclictest0-21swapper/209:28:142
2586799231,21cyclictest0-21swapper/207:21:042
2586799230,4cyclictest0-21swapper/208:56:252
2586799230,22cyclictest0-21swapper/209:04:462
2586799230,22cyclictest0-21swapper/208:26:322
25864992321,2cyclictest0-21swapper/110:46:151
2586499230,17cyclictest0-21swapper/112:10:131
2586799228,8cyclictest0-21swapper/212:30:192
25867992219,3cyclictest0-21swapper/210:24:322
25867992219,2cyclictest749-21snmpd08:50:302
25867992219,2cyclictest0-21swapper/207:36:382
25867992218,3cyclictest0-21swapper/212:15:342
25867992218,3cyclictest0-21swapper/207:56:122
2586799221,20cyclictest0-21swapper/211:36:482
2586799221,20cyclictest0-21swapper/210:08:182
2586799221,20cyclictest0-21swapper/210:08:172
2586799221,20cyclictest0-21swapper/207:28:382
2586799220,21cyclictest0-21swapper/210:36:412
2586499229,13cyclictest0-21swapper/110:10:331
2586499229,13cyclictest0-21swapper/110:10:321
25864992221,1cyclictest0-21swapper/111:59:351
25864992220,2cyclictest0-21swapper/109:52:141
25864992220,2cyclictest0-21swapper/108:55:101
25864992220,2cyclictest0-21swapper/107:54:271
25864992218,3cyclictest0-21swapper/109:11:101
2586499220,21cyclictest0-21swapper/109:59:271
2586499220,21cyclictest0-21swapper/108:34:481
2586499220,21cyclictest0-21swapper/107:44:141
2585699221,19cyclictest12852-21apt-get11:15:130
2585699220,21cyclictest0-21swapper/011:41:120
2586799216,9cyclictest0-21swapper/209:05:112
25867992119,2cyclictest0-21swapper/211:55:112
2586799211,19cyclictest0-21swapper/209:47:422
2586799210,3cyclictest0-21swapper/210:25:332
2586799210,2cyclictest0-21swapper/212:09:132
2586799210,20cyclictest0-21swapper/212:00:592
2586799210,20cyclictest0-21swapper/211:14:542
2586799210,20cyclictest0-21swapper/210:48:392
2586799210,20cyclictest0-21swapper/210:10:142
2586799210,20cyclictest0-21swapper/210:10:142
2586799210,20cyclictest0-21swapper/209:20:522
2586799210,20cyclictest0-21swapper/208:20:062
25864992120,1cyclictest0-21swapper/108:05:451
25864992119,2cyclictest0-21swapper/111:46:111
25864992119,2cyclictest0-21swapper/111:25:151
25864992119,2cyclictest0-21swapper/111:17:071
25864992119,2cyclictest0-21swapper/108:50:281
25864992119,2cyclictest0-21swapper/107:13:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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